The burning issues of post–World War II Britain provide the backdrop to the new season's cases: class conflict, the death penalty, homosexuality, the looming sexual revolution, the communist threat, rationing, and the persistent effects of combat on war veterans such as Sidney and Geordie, who are just trying to get on with their lives and make society safe, secure, and a bit fun.

• Robson Green
• Rishi Nair
• Al Weaver
• Tessa Peake-Jones
• Kacey Ainsworth